56785852761 has 16 divisors (see below), whose sum is σ = 84518480640. Its totient is φ = 33615303120.

The previous prime is 56785852727. The next prime is 56785852769. The reversal of 56785852761 is 16725858765.

It is not a de Polignac number, because 56785852761 - 2⁷ = 56785852633 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56785852695 and 56785852704.

It is not an unprimeable number, because it can be changed into a prime (56785852769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20007691 + ... + 20010528.

It is an arithmetic number, because the mean of its divisors is an integer number (5282405040).

Almost surely, 2^56785852761 is an apocalyptic number.

It is an amenable number.

56785852761 is a deficient number, since it is larger than the sum of its proper divisors (27732627879).

56785852761 is a wasteful number, since it uses less digits than its factorization.

56785852761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40018276.

The product of its digits is 28224000, while the sum is 60.

The spelling of 56785852761 in words is "fifty-six billion, seven hundred eighty-five million, eight hundred fifty-two thousand, seven hundred sixty-one".